8 329 423 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite, with 2 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶⁸

Factored

Factor	Digits	Bits	Date
83294231	8	26.3	old
141254486627809	15	47.0	2008-09-08 04:30:31

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-11	ATH	544D29474B44A5F0	2	4999895	5	3
Verified	PRP without proof (not generated)	2020-04-21	Igvan28	544D29474B44A5F0	2	4118196	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1390000, B2=2788626750
2020-04-21	Igvan28	C-PRP	M8329423/83294231/141254486627809 : 544D29474B44A5F0
2018-10-11	ATH	C-PRP	M8329423/83294231/141254486627809 : 544D29474B44A5F0
2008-09-08	Will Edgington	F	Factor: 141254486627809

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